<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/html">
<head>
    <meta charset="UTF-8">
    <title>v-cloak</title>
    <style>
        [v-cloak]{
            display: none;
        }
    </style>
</head>
<body>
    <div id="app" v-cloak>
        <h2>{{message}}</h2>
    </div>
</body>
  <script src="../js/vue.js"></script>
  <script>
      setTimeout(function(){
          var app = new Vue({
              el: '#app',
              data: {
                  message: '</br>'
              },
          })
      } ,1000)
  </script>
</html>